Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant fiber optic grass is to use the USDA zone info for Elk River.

Planting Calendar for Fiber Optic Grass

Frost tolerance for fiber optic grass:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant fiber optic grass until after the last frost because they require warm weather.

The earliest that you can plant fiber optic grass in Elk River is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant fiber optic grass and expect a good harvest is probably August. You probably don't want to wait any later than that or else your fiber optic grass may not have a chance to really do well. Starting your fiber optic grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Elk River the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Elk River and it will vary from year to year. Half of the time in Elk River there is a last frost after May 15 so make sure that you are prepared to cover your fiber optic grass if you have a surprise late frost.

USDA Zone Info for Elk River

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Elk River

You may be interested in your other planting guides for Elk River.